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Application of Chaos and Neural Network in Power Load Forecasting

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  • Li Li
  • Liu Chong-xin

Abstract

This paper employs chaos theory into power load forecasting. Lyapunov exponents on chaos theory are calculated to judge whether it is a chaotic system. Delay time and embedding dimension are calculated to reconstruct the phase space and determine the structure of artificial neural network (ANN). Improved back propagation (BP) algorithm based on genetic algorithm (GA) is used to train and forecast. Finally, this paper uses the load data of Shaanxi province power grid of China to complete the short-term load forecasting. The results show that the model in this paper is more effective than classical standard BP neural network model.

Suggested Citation

  • Li Li & Liu Chong-xin, 2011. "Application of Chaos and Neural Network in Power Load Forecasting," Discrete Dynamics in Nature and Society, Hindawi, vol. 2011, pages 1-12, August.
    • Handle: RePEc:hin:jnddns:597634
    DOI: 10.1155/2011/597634
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